IMPORTANT: Using PATHSAMPLE safely on sinister

sinister does not have 'rsh' installed on the nodes. Because of this, you need to run PATHSAMPLE slightly differently on sinister.

Use the SSH keyword

Just add 'SSH' to your pathdata file. PATHSAMPLE will then use ssh rather than rsh to spawn jobs. Alternatively, you can use qsub -V <script>, which will pass a global alias that we have set up for rsh=ssh to the queue system. The SSH keyword is better though! Should we use it as default in the future?